Pith Number

pith:RIHXVKVL

pith:2020:RIHXVKVLQAPLBK2SATN3R72IFT

not attested not anchored not stored refs pending

Fisher's combined probability test for high-dimensional covariance matrices

Danning Li, Lingzhou Xue, Xiufan Yu

arxiv:2006.00426 v1 · 2020-05-31 · math.ST · stat.AP · stat.ME · stat.ML · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RIHXVKVLQAPLBK2SATN3R72IFT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T01:07:01.485068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a0f7aaaab801eb0ab5204dbb8ff482cd0f57fe760ab9d9f2a64073eb5563014

Aliases

arxiv: 2006.00426 · arxiv_version: 2006.00426v1 · doi: 10.48550/arxiv.2006.00426 · pith_short_12: RIHXVKVLQAPL · pith_short_16: RIHXVKVLQAPLBK2S · pith_short_8: RIHXVKVL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/RIHXVKVLQAPLBK2SATN3R72IFT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8a0f7aaaab801eb0ab5204dbb8ff482cd0f57fe760ab9d9f2a64073eb5563014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f6ab65cef5bac1a718829dcfe93da01b7230375ff926bd136e4a9d575dd068a",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2020-05-31T03:32:26Z",
    "title_canon_sha256": "3217e25fadd35080a55e0a3c2c2b3f85cc30570fcfe9bbd69a9d2ca07f9bd607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.00426",
    "kind": "arxiv",
    "version": 1
  }
}